North American Turbocoupe Organization

vam test procedure?
w60 Offline
Senior Member
Tomorrow I want to test my VAM…is there a procedure for that (I searched and didn't find one)?
White 88 TC Auto Trans
White 04 Honda CR/V
Blue 74 Honda Trail 70

Pete D Offline
It is basically the same concept as testing the TPS. Your looking for sticking or binding. You want a smooth opening of the VAM Door Also looking for electrical flat spots or drop outs and for the correct voltage values. You can check this by checking VAM volts between W/BK (+) and BK/W (-) wires at VAM connector. KOEO should be .3 V or so. At 1000 RPM hot idle around 1 V or so. Wide open voltage should be close to 4.5v
Pete Dunham


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